it's been nearly two months since paul dewolf has been killed. e know he died from a single gunshot wounds. paul's parents are obviously desperate for answers. they're asking for help. in a minute we're going to talk with them here on "new day." first we want to remind you what happened to this young man. >> reporter: paul dewolf's death is still a mystery, unsettling a ann arbor community and the university of michigan. he was an athlete, aspiring surgeon, valedictorian of his high school. his death left his friends in disbelief. >> it's hard for me to believe that paul would have any enemies. y know a single person that didn't like him. >> reporter: the university stepped up police presence on campus but investigators still have no suspects and few leads in the search for dewolf's killer. inside his apartment where his body was found, no weapon. nothing stolen. no signs of struggle. students returning for the fall semester are on edge. >> it is definitely unnerving, just making sure the doors are locked. >> reporter: he was a second lieutenant i